G&P WA M4 GBB Negative Pressure Roller Bolt Carrier Grey (Set B) G36 Suitable for ASR/ UAR/ M4

Suitable for ASR/ UAR/ M4 Series Airsoft Electric Gun AEG Rifle

CNC Steel Slide Stop

SKU DY-AC42 Item Weight (gram) 65 Major Color Black Built Material Metal Manufacturer DYTAC

G&P Metal Hop Up Chamber  4

G&P WA M4 GBB Negative Pressure Roller Bolt Carrier Grey (Set B) G36 Suitable for ASR/ UAR/ M4G&P WA M4 GBB Negative Pressure Roller Bolt Carrier (Set B) Inside (PA) Outside (Gold Chromic Coating) For Bomber GBB CNC Metal Body ONLY Come With 2x Polymer Nozzle Set ( Negative pressure operated blowback system ) Design For Replace The Original Bolt Carrier SKU GP WP204B Item Weight (gram) 205 Major Color Grey Built Material Inside (PA) Outside (Gold Chromic Coating) Manufacturer G&P Disclaimer NOTES: Self Installation & Modification (e. g.